GTSTRUDL GTSTRUDL

GTSTRUDL Buckling and Nonlinear Analysis Examples

GTSTRUDL Buckling and Nonlinear Analysis Examples

Dr. Kenneth M.(Mac) Will

GTSUG 2011

June 2011

Delray Beach, Florida

Dr. Kenneth M.(Mac) Will

GTSUG 2011

June 2011

Delray Beach, Florida

GTSTRUDL GTSTRUDL

ExamplesExamples

• Linear Buckling Analysis of Girder

• Pushover Analysis of Girder with Nonlinear Geometry Effects

• Flat Plate with Nonlinear Geometry Effects

• Vibration of Flat Plate with Initial Stress Loading

• Linear Buckling Analysis of Girder

• Pushover Analysis of Girder with Nonlinear Geometry Effects

• Flat Plate with Nonlinear Geometry Effects

• Vibration of Flat Plate with Initial Stress Loading

GTSTRUDL GTSTRUDL

Linear Buckling Analysis of GirderLinear Buckling Analysis of Girder

Concentrated Loads at 1/3 points

GTSTRUDL GTSTRUDL

Linear Buckling Analysis Command after Static AnalysisLinear Buckling Analysis Command after Static Analysis

GTSTRUDL GTSTRUDL

Results of Linear Buckling AnalysisResults of Linear Buckling Analysis

GTSTRUDL GTSTRUDL

Buckled Mode Shape – Mode 1Buckled Mode Shape – Mode 1

GTSTRUDL GTSTRUDL

Buckled Mode Shape – Mode 2Buckled Mode Shape – Mode 2

GTSTRUDL GTSTRUDL

Pushover Analysis with Geometric Nonlinear EffectsPushover Analysis with Geometric Nonlinear Effects

Perturbation Loading

GTSTRUDL GTSTRUDL

Pushover Analysis Nonlinear Effects and Active Solver CommandsPushover Analysis Nonlinear Effects and Active Solver Commands

• Nonlinear EffectsGeometry Members Existing

Active Solver GTSES

• Nonlinear EffectsGeometry Members Existing

Active Solver GTSES

GTSTRUDL GTSTRUDL

Pushover Analysis DialogPushover Analysis Dialog

GTSTRUDL GTSTRUDL

Pushover Analysis OutputPushover Analysis Output

GTSTRUDL GTSTRUDL

Plot Pushover Analysis Results DialogPlot Pushover Analysis Results Dialog

GTSTRUDL GTSTRUDL

Pushover Results PlotPushover Results Plot

GTSTRUDL GTSTRUDL

Deformed Shape After PushoverDeformed Shape After Pushover

GTSTRUDL GTSTRUDL

Simply Supported Plate with Nonlinear GeometrySimply Supported Plate with Nonlinear Geometry

SS Concrete Slab

6 inches thick

100 psf load

GTSTRUDL GTSTRUDL

Pushover Analysis CommandsPushover Analysis Commands

GTSTRUDL GTSTRUDL

Pushover Results – Contour of DisplacementsPushover Results – Contour of Displacements

GTSTRUDL GTSTRUDL Pushover Analysis Results – Middle Surface Principal StressNote that stress is non-zero on middle surface

Pushover Analysis Results – Middle Surface Principal StressNote that stress is non-zero on middle surface

GTSTRUDL GTSTRUDL

Pushover Analysis PlotPushover Analysis Plot

GTSTRUDL GTSTRUDL

Dynamic Analysis of PlateDynamic Analysis of Plate

Frequencies with Plate Unstressed

Frequencies with Initial Stress Loading

GTSTRUDL GTSTRUDL

Dynamic Analysis Commands with Initial Stress LoadingDynamic Analysis Commands with Initial Stress Loading